THESAURUS
narrows
arm, armlet, bay, bayou, belt, bight, boca, bottleneck, canal, channel, cove, creek, defile, estuary, euripus, fjord, frith, gulf, gut, harbor, inlet, isthmus, kyle, loch, mouth, narrow, narrow seas, natural harbor, neck, pass, reach, road, roads, roadstead, sound, strait, straits, throat
ROGET THESAURUS
narrows
Lake
N
gulf, lake, land covered with water, gulf, gulph, bay, inlet, bight, estuary, arm of the sea, bayou, fiord, armlet, frith, firth, ostiary, mouth, lagune, lagoon, indraught, cove, creek, natural harbor, roads, strait,
narrows, Euripus, sound, belt, gut, kyles, continental slope, continental shelf, lake, loch, lough, mere, tarn, plash, broad, pond, pool, lin, puddle, slab, well, artesian well, standing water, dead water, sheet of water, fish pond, mill pond, ditch, dike, dyke, dam, reservoir, alberca, barachois, hog wallow, lacustrine.